av.h File Reference

Go to the source code of this file.

Functions
void	audio (const char *filename)
	just play audio More...
void	audio (const char *filename, const char *command, const char *option=0)
	play audio with command More...
void	audio (const char *filename, const char *command, void *function)
	query audio isplaying or not More...
void	video (const char *filename)
	just play video More...
void	video (const char *filename, const char *command)
	play video, gif or animated png with command More...
void	video (const char *filename, const char *command, void *function)
	query video isplaying or not More...
void	video (const char *filename, const char *command=resize, int width, int height)
	resize video only More...
void	video (const char *filename, const char *command=playat, const char *layername)
	force video play at psd layer, !!!MUST clearplayat with layer name after you done or exit!!! More...

Detailed Description

ARSA Language, audio/video path using ffmpeg,
the function audio/video are a very simple and portable media player using the FFmpeg libraries and the SDL library.It is mostly used as a testbed for the various FFmpeg APIs.
Support file format:
https://ffmpeg.org/general.html#File-Formats
Download ffmpeg sourcecode:
https://ffmpeg.org/download.html#get-sources
ffmpeg license:
https://ffmpeg.org/legal.html

Definition in file av.h.

Function Documentation

audio() [1/3]

void audio

(

const char *

filename

)

just play audio

Parameters

filename

name of media file want to operator Example: audio(win.mp3)

audio() [2/3]

void audio	(	const char *	filename,
		const char *	command,
		const char *	option = 0
	)

play audio with command

Parameters

filename	name of media file want to operator
command	operator command play playonce // stop and go sound just once time, for sound fx that want repeating pause stop clear load loop once seek // seek offset by percent 0..100, 0 is start, 100 is end Example: audio(win.mp3, load) // load audio to memory audio(win.mp3, play) // play audio audio(win.mp3, pause) // pause audio audio(win.mp3, stop) // stop audio audio(win.mp3, clear) // clear audio memory audio(win.mp3, playonce) // stop and go audio, once time audio(win.mp3, loop) // set loop audio playback audio(win.mp3, once) // set once audio playback
option	may be boolean that depend on command

audio() [3/3]

void audio	(	const char *	filename,
		const char *	command,
		void *	function
	)

query audio isplaying or not

Parameters

filename	name of media file want to operator
command	operator command isplaying !isplaying Example: audio(win.mp3, isplaying, function(foo)) // is playing audio call foo audio(win.mp3, !isplaying, function(foo)) // is not playing audio call foo
function	call the function

video() [1/5]

void video

(

const char *

filename

)

just play video

Function audio is a very simple and portable media player using the FFmpeg libraries and the SDL library. It is mostly used as a testbed for the various FFmpeg APIs. User can watch support file format from https://ffmpeg.org/general.html#File-Formats

Parameters

filename

name of media file want to operator Example: video(combo.mp4)

video() [2/5]

void video	(	const char *	filename,
		const char *	command
	)

play video, gif or animated png with command

Parameters

filename

name of media file want to operator

command

operator command play pause stop show hide clear load loop once playat // !!!MUST call clearplayat with layer name after you done or exit!!! playatresize // macro -> resize texture same psd layer size and call playat. clearplayat // !!!MUST call when not playing on layer or exit.!!! resize // specify width, height after. !!!MUST call before playat cmd!!! seek // seek offset by percent 0..100, 0 is start, 100 is end Example: video(combo.mp4, load) video(combo.mp4, pause) video(combo.mp4, clear) // remove video from memory, !!!MUST call clearplayat if you call playat before.!!! video(null, clear) // remove all audio/video from memory, !!!MUST call clearplayat if you call playat before.!!! video(combo.mp4, seek, 50) // seek as percent 0..100, 0 is start, 100 is end video(combo.mp4, loop) // loop enable video(combo.mp4, once) // play one time, loop disable video(combo.mp4, show, true) // auto show video on screen, true is show, false is hide video(combo.mp4, hide) // hide video on screen video(combo.mp4, playat, canvas) // play video on layer in psd video(combo.mp4, playatresize, canvas) // play video and resize original video to layer in psd video(combo.mp4, resize, 512, 512) // dimension in pixel to resize original video { video(combo.mp4, "clearplayat", canvas) // !!!MUST call clearplayat when exit, if call playat before!!! }function(deinit)

video() [3/5]

void video	(	const char *	filename,
		const char *	command,
		void *	function
	)

query video isplaying or not

Parameters

filename	name of media file want to operator
command	operator command isplaying !isplaying
function	call the function Example: video(combo.mp4, isplaying, text(10,10,Video is playing!)) video(combo.mp4, !isplaying, text(10,40,Video was stoped!))

video() [4/5]

void video	(	const char *	filename,
		const char *	command = resize,
		int	width,
		int	height
	)

resize video only

-1,-1 : full screen (very slow)
0,0 : original size

Parameters

filename	name of media file want to operator
command	resize only
width	new size of video
height	new size of video Example: video(combo.mp4, resize, -1, -1)

video() [5/5]

void video	(	const char *	filename,
		const char *	command = playat,
		const char *	layername
	)

force video play at psd layer, !!!MUST clearplayat with layer name after you done or exit!!!

Parameters

filename	name of media file want to operator
command	playat only
layername	name of psd layer that you want to playing video at there. Example: video(combo.mp4, playat, vlayer) // !!!MUST clearplayat with layer name after you done or exit!!! // video(combo.mp4, playatresize, vlayer) // [optional] resize original video size fit to layer size, !!!MUST clearplayat with layer name after you done or exit!!! { video(combo.mp4, clearplayat, vlayer) }deinit()